Abstract:A new red-emitting Eu 3+ (1À17 mol%)-doped Na 3 Mg 4 LiSi 12 O 30 (NMLS) phosphor was prepared using a conventional solid-state reaction method at low temperature.The prepared samples belong to a hexagonal structure with a good match to JCPDS card no. 73-0934. The photoluminescence (PL) emission spectrum showed an intense peak at 612 nm when excited at 393 nm. The variation of electric dipole transition ( 5 D 0 -7 F 2 ) emission intensity with increasing Eu 3+ ion concentration was investigated. The concentrat… Show more
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